import Configuration from './utils/Configuration';
+import { StationTemplateURL } from './types/ConfigurationData';
import Utils from './utils/Utils';
import Wrk from './charging-station/Worker';
-import logger from './utils/Logger';
+import WorkerData from './types/WorkerData';
+import fs from 'fs';
class Bootstrap {
- static start() {
+ static async start() {
try {
- logger.debug('%s Configuration: %j', Utils.logPrefix(), Configuration.getConfig());
let numStationsTotal = 0;
+ let numConcurrentWorkers = 0;
+ let worker: Wrk;
+ let chargingStationsPerWorker = Configuration.getChargingStationsPerWorker();
+ let counter = 0;
// Start each ChargingStation object in a worker thread
if (Configuration.getStationTemplateURLs()) {
- Configuration.getStationTemplateURLs().forEach((stationURL) => {
+ for await (const stationURL of Configuration.getStationTemplateURLs()) {
try {
- const nbStation = stationURL.numberOfStation ? stationURL.numberOfStation : 0;
- numStationsTotal += nbStation;
- for (let index = 1; index <= nbStation; index++) {
- const worker = new Wrk('./dist/charging-station/StationWorker.js', {
+ const nbStations = stationURL.numberOfStations ? stationURL.numberOfStations : 0;
+ numStationsTotal += nbStations;
+ for (let index = 1; index <= nbStations; index++) {
+ const workerData = {
index,
- templateFile: stationURL.file,
- }, numStationsTotal);
- worker.start().catch(() => {});
+ templateFile: stationURL.file
+ } as WorkerData;
+ if(counter === 0 || counter === chargingStationsPerWorker) {
+ // Start new worker with one charging station
+ worker = await new Wrk('./dist/charging-station/StationWorker.js', workerData, numStationsTotal);
+ worker.start().catch(() => {});
+ counter = 0;
+ // Start workers sequentially to optimize memory at start time
+ await Utils.sleep(500);
+ } else {
+ // Add new charging station to existing Worker
+ worker.startNewChargingStation(workerData, numStationsTotal)
+ }
+ counter++;
+ // Start charging station sequentially to optimize memory at start time
+ numConcurrentWorkers = worker.concurrentWorkers;
}
} catch (error) {
// eslint-disable-next-line no-console
console.log('Charging station start with template file ' + stationURL.file + ' error ' + JSON.stringify(error, null, ' '));
}
- });
+ }
} else {
console.log('No stationTemplateURLs defined in configuration, exiting');
}
if (numStationsTotal === 0) {
console.log('No charging station template enabled in configuration, exiting');
} else {
- console.log('Charging station simulator started with ' + numStationsTotal.toString() + ' charging station(s)');
+ console.log('Charging station simulator started with ' + numStationsTotal.toString() + ' charging station(s) of ' + numConcurrentWorkers.toString() + ' concurrently running');
}
} catch (error) {
// eslint-disable-next-line no-console